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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Need help with feedhorn and F/D
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<blockquote data-quote="koansrc" data-source="post: 383681" data-attributes="member: 244790"><p>I've done my research, searched the threads, followed the links, looked at the pics, noted peoples comments, searched the net ... and now I have more information than I can handle <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite62" alt=":-wow" title="Wow :-wow" loading="lazy" data-shortname=":-wow" /> ... please help.</p><p></p><p>I want to hook up a 2nd digibox and thus change my single lnb with a twin C120 type (and hopefully also see an improved signal)</p><p>Dish is 1.55mX1.35m, metal, noname and always at 28.2E</p><p>Currently signal is best when the lnb is pushed right back away from the dish.</p><p>Using the F/D calculator and measurements i just made (darkness!) i THINK my dish is f/d 0,48 (does that sound right?)</p><p></p><p>Looking at invertor or invacom, the specs for the invertor universal (e.g) read "F/D of feed 0.6-0.7". Does that mean it's not suitable for my dish ? or is it referring to the F/D needed from the feedhorn, in which case I have to find a feedhorn with an F/D of 0,48 ?</p><p></p><p>- The calculator I mention I linked to from this post :<a href="http://www.satellites.co.uk/satellite/fringe-reception-general/49990-gibertini-feedhorn-improving-reception-2.html#post270513" target="_blank">http://www.satellites.co.uk/satellite/fringe-reception-general/49990-gibertini-feedhorn-improving-reception-2.html#post270513</a></p></blockquote><p></p>
[QUOTE="koansrc, post: 383681, member: 244790"] I've done my research, searched the threads, followed the links, looked at the pics, noted peoples comments, searched the net ... and now I have more information than I can handle :-wow ... please help. I want to hook up a 2nd digibox and thus change my single lnb with a twin C120 type (and hopefully also see an improved signal) Dish is 1.55mX1.35m, metal, noname and always at 28.2E Currently signal is best when the lnb is pushed right back away from the dish. Using the F/D calculator and measurements i just made (darkness!) i THINK my dish is f/d 0,48 (does that sound right?) Looking at invertor or invacom, the specs for the invertor universal (e.g) read "F/D of feed 0.6-0.7". Does that mean it's not suitable for my dish ? or is it referring to the F/D needed from the feedhorn, in which case I have to find a feedhorn with an F/D of 0,48 ? - The calculator I mention I linked to from this post :[URL="http://www.satellites.co.uk/satellite/fringe-reception-general/49990-gibertini-feedhorn-improving-reception-2.html#post270513"]http://www.satellites.co.uk/satellite/fringe-reception-general/49990-gibertini-feedhorn-improving-reception-2.html#post270513[/URL] [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Need help with feedhorn and F/D
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